Itsara Sakaew และ Taviga Tungprapa; Surachai Meechan. (2023) A Development of Mathematical Thinking Test for Mathayomsuksa 6 Students in the Secondary Education Service Area Office 2. <i>Interdisciplinary Academic and Research Journal</i>, <i>3</i>(5), 127-142.Itsara Sakaew และ Taviga Tungprapa; Surachai Meechan. "A Development of Mathematical Thinking Test for Mathayomsuksa 6 Students in the Secondary Education Service Area Office 2". Interdisciplinary Academic and Research Journal 3 (2023):127-142.Itsara Sakaew และ Taviga Tungprapa; Surachai Meechan. A Development of Mathematical Thinking Test for Mathayomsuksa 6 Students in the Secondary Education Service Area Office 2. DR.KEN Institute of Academic Development and Promotion:ม.ป.ท. 2023.